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Anatomy Atlases: Atlas of Human Anatomy in Cross Section: Section 7. Lower Limb

Atlas of Human Anatomy in Cross Section: Section 7. Lower Limb

Plate 7.4

Ronald A. Bergman, Ph.D., Adel K. Afifi, M.D., Jean J. Jew, M.D., and Paul C. Reimann, B.S.
Peer Review Status: Externally Peer Reviewed

Plate 7.4

Upper Left Quadrant

Lower Left Quadrant

Lower Right Quadrant

Upper Right Quadrant

1. Vastus medialis m.
2. Fascia lata
3. Saphenous nerve

4. Femoral a. and v.
5. Adductor canal (Hunter's canal)
6. Sartorius m.
7. Adductor magnus m.
8. Great saphenous v.
9. Gracilis tendon and m.
10. Semimembranosus m.
11. Tendon m. semitendinosus

12. Semitendinosus m.
13. Tibial nerve
14. Common peroneal nerve
15. Biceps femoris (long head) m.
16. Biceps femoris (short head) m.
17. Lateral intermuscular septum

18. Iliotibial tract (Maissiat's band)
19. Vastus lateralis m.
20. Nerve to vastus medialis and linea aspera of femur
21. Vastus intermedius m.
22. Tendon m. rectus femoris (quadriceps tendon)
23. Femur

This section is three sections (3 cm) below the preceding section.

The rectus femoris has become tendinous (22), the quadriceps tendon. This tendon may be divided into three distinct layers. The superficial layer is usually formed by the rectus femoris, the intermediate layer by vastus lateralis (19) and vastus medialis (1), and the deep layer by vastus intermedius (21) muscle. Occasionally, vastus lateralis and medialis tendons may send tendinous fiber bundles crossing in front of the rectus tendon. The combined tendon of quadriceps attaches to the superior and medial borders of the patella, and in part in front and beyond the patella to join the patellar ligament. Some of the tendinous fibers of vastus lateralis and vastus medialis run on each side of the patella to the tibial condyles. These fibers are named the medial and lateral patellar ligaments. From the apex of the patella to the tibial tuberosity the quadriceps tendon continues as the patellar ligament.

The adductor canal (Hunter's' canal) (5) is identified in this section for the first time. The adductor canal extends through the middle third of the thigh. Beginning at the apex of the femoral triangle, it is bounded by the sartorius (6) ventrally, vastus medialis (1) medially, and adductor longus and magnus (7) dorsolaterally. It is roughly triangular in shape. The canal ends at the adductor hiatus (seen in the next cut). The canal carries the femoral artery (4) through the middle third of the thigh and contains, in addition, the femoral vein (4), nerve to vastus medialis muscle (20), and the saphenous nerve (3).

The iliotibial tract (Maissiat's' band) is identified.

(a)John Hunter (1728-1793) was a Scottish surgeon, anatomist, physiologist, and pathologist. "
(2)Jacques Maissiat (1805-1878) was a French anatomist working in Parts. Next Page | Previous Page | Section Top | Title Page

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